Submission #1303068

#	Time	Username	Problem	Language	Result	Execution time	Memory
1303068		uranhishig	Trol (COCI19_trol)	C++20	50 / 50	1 ms	572 KiB

trol

#include <bits/stdc++.h>
using namespace std;
#define int long long
signed main() {
    int n;
    cin >> n;
    for (int i = 0; i < n; i++) {
        int a, b;
        cin >> a >> b;
        int ans = (b - a)/9 * 45;
        for (int i = a + (b - a)/9 * 9; i <= b; i++) {
            ans += (i%9 == 0 ? 9 : i%9);
        }
        cout << ans << "\n";
    }
    return 0;
}

• Subtask 1: 50 / 50